Plant guide
シンノウヤシ
Watering rhythm
Every 5–7 days
The Royal Palm is an elegant palm native to Southeast Asia. Its feathery, pinnate leaves spread out in a graceful radiating pattern, bringing tropical vibes to any indoor space. What makes it wonderfully beginner-friendly is its shade tolerance and naturally robust constitution—it's simply easy to care for. Growth is gradual and unhurried, so it adapts well to virtually any room in your home.
This palm prefers bright, indirect light but will tolerate lower-light corners thanks to its shade tolerance. Ideally, position it 2–3 meters away from a window. Maintain temperatures above 15°C, with 20–28°C being optimal. Humidity of 50% or higher keeps it happy. Avoid placing it directly in air-conditioning drafts.
Light and temperature change a plant's metabolism, so the ideal cadence shifts with the seasons.
Spring
Every 4–6 days
Summer
Every 4–6 days
Autumn
Every 5–7 days
Winter
Every 8–12 days
Water thoroughly when the soil surface feels dry—pour until water drains from the bottom of the pot, then always empty the saucer to prevent root rot. Since this plant thrives in warm, humid conditions, misting the leaves regularly is also beneficial. A simple touch test of the soil is your best guide for when to water.
Quick lookup from symptom to likely cause and action.
| Symptom | Likely cause | What to try |
|---|---|---|
| Leaf tips turning brown | Low humidity or the plant becoming root-bound are the usual culprits. When soil dries out too quickly even after watering, the plant can't absorb moisture properly. | Mist the leaves daily to raise humidity levels. Consider repotting into a slightly larger container in spring to give the roots more room. |
| Leaves wilting or drooping | Overwatering is the most common cause, especially when watering daily in winter—this can cause serious root damage. | Hold back on watering until the soil dries out completely. If root rot is suspected, repot the plant and trim away any damaged roots. |
| New growth slowing or stopping | Insufficient light, cooler temperatures, or lack of fertilizer can all slow growth. It's quite normal for winter slowdown to occur naturally. | From spring through autumn, feed with diluted liquid fertilizer once or twice monthly. Ensure adequate brightness and maintain temperatures above 15°C. |
| Spider mites or scale insects appearing | Dry air and poor air circulation make infestations more likely—they're especially common in winter when heating dries the air. | Wipe affected leaves gently with a damp cloth. If the problem persists, use a commercial insecticide spray. Regular misting helps prevent these pests. |
| Leaves yellowing | Natural aging of older leaves, being root-bound, or nutrient deficiency can cause yellowing. Watch out if the whole plant turns yellow at once. | Yellowing of lower, older leaves is perfectly natural. If yellowing is widespread, consider repotting and fertilizing, and check the root condition. |
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